HeartGold Generations areas

Route 45

Leads to Dark Cave

Grass

PokémonWhenLevelChance
GravelerAny time23–2740%
GeodudeAny time2330%
GligarAny time2420%
PhanpyAny time2010%

Surfing

PokémonWhenLevelChance
MagikarpAny time2–25100%

Old Rod

PokémonWhenLevelChance
MagikarpAny time1095%
PoliwagAny time105%

Good Rod

PokémonWhenLevelChance
PoliwagAny time2060%
MagikarpAny time2040%

Super Rod

PokémonWhenLevelChance
PoliwagAny time4084%
MagikarpAny time4016%

Items

ElixirTM15Full HealNuggetReviveHyper Potion · hiddenPP Max · hidden

Trainers · 7

Ace Trainer Ryan

#108
GliscorLv 40Fury Cutter, Acrobatics, U-turn, Night Slash
ElectivireLv 40Thunder Punch, Low Kick, Swift, Screech

Hiker Timothy

#146
CoalossalLv 41Rock Polish, Smack Down, Flame Charge, Stealth Rock
RhyperiorLv 27Earthquake, Rock Blast, Stomp, Horn Attack